In recent months we’ve pored over a pair of scholarly works on the topic of fact-checking. One, Checking the Fact-checkers in 2008: Predicting Political Ad Scrutiny and Assessing Consistency by Michele A. Amazeen, we reviewed earlier this year. The second, a doctoral dissertation by former PolitiFact writer Lucas Graves, contains much material we’ll address in one way or another over…Read more

Trey Gowdy vs. PolitiFact “Gowdy has a point that he’s still waiting on quite a few documents, but it goes too far to say he hasn’t received a “single, solitary scrap of paper.” We rate his claim Mostly False.” —PolitiFact, from a May 21, 2015 fact check of Rep. Trey Gowdy (R-S.C.). Overview PolitiFact takes Rep. Gowdy out of…Read more

“Sanders said that “in this last election in November, … 63 percent of the American people chose not to vote, … 80 percent of young people, (and) 75 percent of low-income workers chose not to vote.” … We rate the claim Half True.” —PolitiFact, from an April 2, 2015 fact check of Sen. Bernie Sanders (I-Vt.) Overview PolitiFact burns…Read more

Fact Checkers are Great Because They Condemned Mitt Romney’s Jeep Ad? In the peer-reviewed article Revisiting the Epistemology of Fact-Checking, researcher Michelle A. Amazeen offers readers an example of the beneficial effects of good fact-checking: When a framework of fact-checking becomes established, it should become more difficult for a politician to fabricate claims. For example, at the end of the…Read more

In 2014 we first heard of a branch of scholarly research purporting to support the accuracy of mainstream fact checking. The research was mentioned in a paper by political scientists Brendan Nyhan and Jason Reifler, The Effect of Fact-checking on Elites: A field experiment on U.S. state legislators: While individual fact-checks sometimes veer into punditry or semantic disputes (Marx 2012;…Read more

“[Rudy] Giuliani said, “the conviction rate is almost exactly the same” for whites and blacks who commit murder. … Without statistical data to back up his claim, we rate it False.” —PunditFact, from a Nov. 26, 2014 fact check of former New York City Mayor Rudy Giuliani Overview: Facts and consistency escape PunditFact’s grasp as it overlooks an extensive…Read more

“Obama said the cost of “health care is now the single-biggest factor driving down” the federal budget deficit. … We rate Obama’s claim Mostly True.” —PolitiFact, from an Oct. 8, 2014 fact check of President Obama Overview The mainstream fact checker PolitiFact exemplifies inconsistency with its fact check of President Obama. The Facts On Oct. 8, 2014, PolitiFact published a…Read more

Occasionally the mainstream fact checker PolitiFact will publish an article giving an overview of a fact check topic. But two recent fact checks of political attack ads point to the need for one PolitiFact has yet to publish: the relevance of the source of political campaign cash. On March 27, 2014, PolitiFact published a fact check of an ad by…Read more